package cn.aib.vod.service.impl;

import cn.aib.vod.service.VodService;
import cn.aib.vod.utils.ConstantVodUtils;
import cn.aib.vod.utils.InitVodClient;
import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.aliyuncs.vod.model.v20170321.DeleteVideoResponse;
import com.aliyuncs.vod.model.v20170321.GetVideoPlayAuthRequest;
import com.aliyuncs.vod.model.v20170321.GetVideoPlayAuthResponse;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.List;

@Service
public class VodServiceImpl implements VodService {

    @Override
    public String uploadVideoToAliYun(MultipartFile file) {
        try {
            //accessKeyId, accessKeySecret
            //fileName：上传文件原始名称
            // 01.03.09.mp4
            String fileName = file.getOriginalFilename();
            //title：上传之后显示名称
            String title = fileName.substring(0, fileName.lastIndexOf("."));
            //inputStream：上传文件输入流
            InputStream inputStream = file.getInputStream();
            UploadStreamRequest request = new UploadStreamRequest(ConstantVodUtils.ACCESS_KEY_ID,ConstantVodUtils.ACCESS_KEY_SECRET, title, fileName, inputStream);

            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = null;
            if (response.isSuccess()) {
                videoId = response.getVideoId();
            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                videoId = response.getVideoId();
            }
            return videoId;
        }catch(Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    @Override
    public void deleteAlyVideo(String id) throws ClientException {
        System.out.println("视频ID："+id);
        //初始化client
        DefaultAcsClient client = InitVodClient.initVodClient(ConstantVodUtils.ACCESS_KEY_ID,
                ConstantVodUtils.ACCESS_KEY_SECRET);

        //创建request
        DeleteVideoRequest request = new DeleteVideoRequest();

        //设置视频ID
        request.setVideoIds(id);

        //调用client方法
        DeleteVideoResponse response = client.getAcsResponse(request);
    }

    @Override
    public void deleteBatchAlyVideo(List<String> ids) throws ClientException {
        //初始化client
        DefaultAcsClient client = InitVodClient.initVodClient(ConstantVodUtils.ACCESS_KEY_ID,
                ConstantVodUtils.ACCESS_KEY_SECRET);

        //创建request
        DeleteVideoRequest request = new DeleteVideoRequest();

        String videoIds = StringUtils.join(ids.toArray(), ",");//该方法是org.apache.commons.lang包下，用特定字符把数组进行分隔

        //设置视频ID
        request.setVideoIds(videoIds);

        //调用client方法
        DeleteVideoResponse response = client.getAcsResponse(request);
    }

    @Override
    public String getPlayAuthByVid(String id) throws ClientException {
        DefaultAcsClient client = InitVodClient.initVodClient(ConstantVodUtils.ACCESS_KEY_ID,
                ConstantVodUtils.ACCESS_KEY_SECRET);

        //创建request
        GetVideoPlayAuthRequest request = new GetVideoPlayAuthRequest();

        //设置视频Id
        request.setVideoId(id);

        //调用client方法，返回response
        GetVideoPlayAuthResponse response = client.getAcsResponse(request);

        return response.getPlayAuth();
    }
}
